2505897020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11390441}}^1$

素因数の和:11390461

約数の個数: 24

約数和(自身を含む): 5740782768

約数和(自身を除く): 3234885748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 11390441, 22780882, 45561764, 56952205, 113904410, 125294851, 227808820, 250589702, 501179404, 626474255, 1252948510, 2505897020]

約数ペア:

[(1, 2505897020), (2, 1252948510), (4, 626474255), (5, 501179404), (10, 250589702), (11, 227808820), (20, 125294851), (22, 113904410), (44, 56952205), (55, 45561764), (110, 22780882), (220, 11390441)]